Hmmm, dancing girl, I am not an expert, but it really sounds like your body is trying hard to O. I think that high levels of estogen can produce the "constant cm" you are talking about.
On the other hand, it could be for you a matter of distinguishing the regular from the really fertile cm. I often have creamy and even stretchy cm before and after O. However I only ever have 2 days of really wet, sometimes even copious, really stretchy cm.
I think the temping is a really good idea. You will know when you O and it sounds too difficult to go on CM alone. ARe you getting any secondary signs, such as O pains in the pelvic region?
Mama to 13, and 10 and 4.